While climate denialism impedes policymaking in both the US and Australia, there are key differences in their political and public cultures.

People reject science such as that about climate change and vaccines, but readily believe scientists about solar eclipses, like this one reflected on the sunglasses of a man dangerously watching in Nicosia, Cyprus, in a 2015 file photo.
(AP Photo/Petros Karadjias)August 13, 2017

If the G20 is to remain relevant in the quest for more inclusive and fair global governance, Africa offers an historic opportunity for collective action, despite the absence of the US under Trump.

People gather outside the White House in Washington, D.C. on Thursday, June 1, 2017, to protest President Donald Trump’s decision to withdraw the United States from the Paris climate change accord.
AP Photo/Susan WalshJune 8, 2017

What if extreme weather events could be attributed to human-induced climate change with confidence?

Nobody can observe events in the future so to study climate change, scientists build detailed models and use powerful supercomputers to simulate conditions, such as the global water vapor levels seen here, and to understand how rising greenhouse gas levels will change Earth’s systems.
NCAR/UCARApril 5, 2017